/*
 * Copyright � 2002-2011 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

using System.Data;

namespace Spring.Data.Common;

/// <summary>
/// A parameter class used by <see cref="DbParametersBuilder"/>
/// </summary>
/// <author>Mark Pollack (.NET)</author>
public class DbParameter : Spring.Data.Common.IDbParameter
{
    private Enum dbType;
    private ParameterDirection direction;
    private bool isNullable;
    private string name;
    private string sourceColumn;
    private DataRowVersion sourceVersion;
    private object val;
    private byte precision;
    private byte scale;
    private int size;

    /// <summary>
    /// Initializes a new instance of the <see cref="DbParameter"/> class.
    /// </summary>
    /// <remarks>
    /// Sets the SourceVersion to be Default and the ParameterDirection to be Input.
    /// </remarks>
    public DbParameter()
    {
        sourceVersion = DataRowVersion.Default;
        direction = ParameterDirection.Input;
    }

    public Enum DbType
    {
        set
        {
            dbType = value;
        }
    }

    public IDbParameter Type(Enum dbType)
    {
        this.dbType = dbType;
        return this;
    }

    public IDbParameter Type(Enum dbType, int size)
    {
        this.dbType = dbType;
        this.size = size;
        return this;
    }

    public Enum GetDbType()
    {
        return dbType;
    }

    public IDbParameter Direction(ParameterDirection direction)
    {
        this.direction = direction;
        return this;
    }

    public ParameterDirection GetDirection()
    {
        return direction;
    }

    public IDbParameter IsNullable(bool isNullable)
    {
        this.isNullable = isNullable;
        return this;
    }

    public bool GetIsNullable()
    {
        return isNullable;
    }

    public IDbParameter Name(string name)
    {
        this.name = name;
        return this;
    }

    public string GetName()
    {
        return name;
    }

    public IDbParameter SourceColumn(string sourceColumn)
    {
        this.sourceColumn = sourceColumn;
        return this;
    }

    public string GetSourceColumn()
    {
        return sourceColumn;
    }

    public IDbParameter SourceVersion(DataRowVersion sourceVersion)
    {
        this.sourceVersion = sourceVersion;
        return this;
    }

    public DataRowVersion GetSourceVersion()
    {
        return sourceVersion;
    }

    public IDbParameter Value(object val)
    {
        this.val = val;
        return this;
    }

    public object GetValue()
    {
        return val;
    }

    public IDbParameter Precision(byte precision)
    {
        this.precision = precision;
        return this;
    }

    public byte GetPrecision()
    {
        return precision;
    }

    public IDbParameter Scale(byte scale)
    {
        this.scale = scale;
        return this;
    }

    public byte GetScale()
    {
        return scale;
    }

    public IDbParameter Size(int size)
    {
        this.size = size;
        return this;
    }

    public int GetSize()
    {
        return size;
    }
}
